ORTHODONTIC TREATMENT THROUGH EXTRACT10N OF UPPER AND LOWER LATERAL TEETH

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Journal of the Korean Academy of Pediatric Dentistry 2001;28(4):547-552.
Published online November 30, 2001.

ORTHODONTIC TREATMENT THROUGH EXTRACT10N OF UPPER AND LOWER LATERAL TEETH

상하악 측절치 발거를 통한 전치부 총생의 치료

박상현, 이광희, 김대업, 이종선

원광대학교 치과대학 소아치과학교실.원광치의학연구소

Abstract

Extracting mandibular incisors for orthodontic treatment may adversely affect the occlusion. However, when properly used, extraction of mandibular inciors is a selection for the correction of the malocclusion. Generally, treatment for crowding needs to select between nonextraction and four premolar extraction. Approaches for crowded mandibular incisors include distal movement of posterior teeth, lateral movement of canines, labial movement of incisors, interproximal enamel reduction, removal of premolars, removal of one or two incisors, and various combinations of the above. Extraction of incisors is used in case of crowding, anterior tooth size discrepancy, absent of maxillary lateral incisors, and ectopic eruption. But severe overjet. overbite, and space are the contraindication of it. A patient had severe crowding on upper anterior teeth, impacted upper left lateral incisor, palatal ectopic eruption of upper right incisor and severe crowding on lower anterior teeth. Lower lateral incisors are extracted for space availability and facial esthetics. We report the case of orthodontic treatment of upper and lower anterior crowding through extraction of lateral incisor.

Key Words: Orthodontic treatment, Lateral incisor, Extraction, Crowding